CVE-2026-103576

Estado: En análisisMedia (6.5)—

Gravedad6.5Media · CVSS 3.1

Probabilidad de explotación0.77 %mayor que el 55 % de las CVE

Explotación activaNono figura en el catálogo de CISA

Exploit públicoNo conocidosin código público localizado

Redirección de URL a un sitio no fiable ('open redirect') en Active Directory Federation Services (AD FS) permite que un atacante no autorizado realice suplantación de identidad a través de una red.

Traducción automática del texto original de NVD (en inglés).

CVSS

Puntuación base: 6.5
Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.77 %
Percentil entre todas las CVEs puntuadas: 55
Fecha de la puntuación: 21/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1203 Exploitation for Client Executionexecution60 %
Impacto principalT1566.002 Spearphishing Linkinitial access55 %

Inferido por reglas deterministas a partir del vector CVSS y la CWE. Solo orientativo.

Mitigaciones ATT&CK que cubren estas técnicas

User Training User Account Management Restrict Web-Based Content Audit Application Isolation and Sandboxing Exploit Protection

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Microsoft — Active Directory Federation Services^AI

CWE

CWE-601

Referencias

Mostrar las 1 referencias

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-103576

JSON original (NVD)

Mostrar

{
  "id": "CVE-2026-103576",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-103576",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-13T22:14:34.806447Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secure@microsoft.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1607",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.14393.0",
              "lessThan": "10.0.14393.9612",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1809",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.17763.0",
              "lessThan": "10.0.17763.9376",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2016",
          "versions": [
            {
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              "version": "10.0.14393.0",
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          ],
          "platforms": [
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          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2016 (Server Core installation)",
          "versions": [
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              "version": "10.0.14393.0",
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            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2019",
          "versions": [
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            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2019 (Server Core installation)",
          "versions": [
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              "version": "10.0.17763.0",
              "lessThan": "10.0.17763.9376",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2022",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.20348.0",
              "lessThan": "10.0.20348.5761",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2025",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.26100.0",
              "lessThan": "10.0.26100.33650",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2025 (Server Core installation)",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.26100.0",
              "lessThan": "10.0.26100.33650",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        }
      ]
    }
  ],
  "published": "2026-10-13T19:17:53.587",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-103576",
      "source": "secure@microsoft.com"
    }
  ],
  "vulnStatus": "Undergoing Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secure@microsoft.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Url redirection to untrusted site ('open redirect') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network."
    }
  ],
  "lastModified": "2026-10-13T23:17:24.753",
  "sourceIdentifier": "secure@microsoft.com"
}